[  849.479808][T19223] bond0: (slave eth0): making interface the new active one
[  849.480294][T19223] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.532857][T19224] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.750372][T19227] bond0: (slave eth0): Releasing backup interface
[  853.896648][T19230] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.938777][T19231] 8021q: adding VLAN 0 to HW filter on device bond0
[  858.168799][ T8728] bond0: (slave eth0): Releasing backup interface
[  858.227316][ T8728] bond0 (unregistering): Released all slaves